/
type.go
226 lines (207 loc) · 6.41 KB
/
type.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
/*
Copyright 2017 Google Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package sqltypes
// This file provides wrappers and support
// functions for querypb.Type.
// These bit flags can be used to query on the
// common properties of types.
type Flag int32
const (
Flag_NONE Flag = 0
Flag_ISINTEGRAL Flag = 256
Flag_ISUNSIGNED Flag = 512
Flag_ISFLOAT Flag = 1024
Flag_ISQUOTED Flag = 2048
Flag_ISTEXT Flag = 4096
Flag_ISBINARY Flag = 8192
)
const (
flagIsIntegral = int(Flag_ISINTEGRAL)
flagIsUnsigned = int(Flag_ISUNSIGNED)
flagIsFloat = int(Flag_ISFLOAT)
flagIsQuoted = int(Flag_ISQUOTED)
flagIsText = int(Flag_ISTEXT)
flagIsBinary = int(Flag_ISBINARY)
)
// IsIntegral returns true if querypb.Type is an integral
// (signed/unsigned) that can be represented using
// up to 64 binary bits.
func IsIntegral(t Type) bool {
return int(t)&flagIsIntegral == flagIsIntegral
}
// IsSigned returns true if querypb.Type is a signed integral.
func IsSigned(t Type) bool {
return int(t)&(flagIsIntegral|flagIsUnsigned) == flagIsIntegral
}
// IsUnsigned returns true if querypb.Type is an unsigned integral.
// Caution: this is not the same as !IsSigned.
func IsUnsigned(t Type) bool {
return int(t)&(flagIsIntegral|flagIsUnsigned) == flagIsIntegral|flagIsUnsigned
}
// IsFloat returns true is querypb.Type is a floating point.
func IsFloat(t Type) bool {
return int(t)&flagIsFloat == flagIsFloat
}
// IsQuoted returns true if querypb.Type is a quoted text or binary.
func IsQuoted(t Type) bool {
return int(t)&flagIsQuoted == flagIsQuoted
}
// IsText returns true if querypb.Type is a text.
func IsText(t Type) bool {
return int(t)&flagIsText == flagIsText
}
// IsBinary returns true if querypb.Type is a binary.
func IsBinary(t Type) bool {
return int(t)&flagIsBinary == flagIsBinary
}
// isNumber returns true if the type is any type of number.
func isNumber(t Type) bool {
return IsIntegral(t) || IsFloat(t) || t == Decimal
}
type Type int32
const (
// NULL_TYPE specifies a NULL type.
Type_NULL_TYPE Type = 0
// INT8 specifies a TINYINT type.
// Properties: 1, IsNumber.
Type_INT8 Type = 257
// UINT8 specifies a TINYINT UNSIGNED type.
// Properties: 2, IsNumber, IsUnsigned.
Type_UINT8 Type = 770
// INT16 specifies a SMALLINT type.
// Properties: 3, IsNumber.
Type_INT16 Type = 259
// UINT16 specifies a SMALLINT UNSIGNED type.
// Properties: 4, IsNumber, IsUnsigned.
Type_UINT16 Type = 772
// INT24 specifies a MEDIUMINT type.
// Properties: 5, IsNumber.
Type_INT24 Type = 261
// UINT24 specifies a MEDIUMINT UNSIGNED type.
// Properties: 6, IsNumber, IsUnsigned.
Type_UINT24 Type = 774
// INT32 specifies a INTEGER type.
// Properties: 7, IsNumber.
Type_INT32 Type = 263
// UINT32 specifies a INTEGER UNSIGNED type.
// Properties: 8, IsNumber, IsUnsigned.
Type_UINT32 Type = 776
// INT64 specifies a BIGINT type.
// Properties: 9, IsNumber.
Type_INT64 Type = 265
// UINT64 specifies a BIGINT UNSIGNED type.
// Properties: 10, IsNumber, IsUnsigned.
Type_UINT64 Type = 778
// FLOAT32 specifies a FLOAT type.
// Properties: 11, IsFloat.
Type_FLOAT32 Type = 1035
// FLOAT64 specifies a DOUBLE or REAL type.
// Properties: 12, IsFloat.
Type_FLOAT64 Type = 1036
// TIMESTAMP specifies a TIMESTAMP type.
// Properties: 13, IsQuoted.
Type_TIMESTAMP Type = 2061
// DATE specifies a DATE type.
// Properties: 14, IsQuoted.
Type_DATE Type = 2062
// TIME specifies a TIME type.
// Properties: 15, IsQuoted.
Type_TIME Type = 2063
// DATETIME specifies a DATETIME type.
// Properties: 16, IsQuoted.
Type_DATETIME Type = 2064
// YEAR specifies a YEAR type.
// Properties: 17, IsNumber, IsUnsigned.
Type_YEAR Type = 785
// DECIMAL specifies a DECIMAL or NUMERIC type.
// Properties: 18, None.
Type_DECIMAL Type = 18
// TEXT specifies a TEXT type.
// Properties: 19, IsQuoted, IsText.
Type_TEXT Type = 6163
// BLOB specifies a BLOB type.
// Properties: 20, IsQuoted, IsBinary.
Type_BLOB Type = 10260
// VARCHAR specifies a VARCHAR type.
// Properties: 21, IsQuoted, IsText.
Type_VARCHAR Type = 6165
// VARBINARY specifies a VARBINARY type.
// Properties: 22, IsQuoted, IsBinary.
Type_VARBINARY Type = 10262
// CHAR specifies a CHAR type.
// Properties: 23, IsQuoted, IsText.
Type_CHAR Type = 6167
// BINARY specifies a BINARY type.
// Properties: 24, IsQuoted, IsBinary.
Type_BINARY Type = 10264
// BIT specifies a BIT type.
// Properties: 25, IsQuoted.
Type_BIT Type = 2073
// ENUM specifies an ENUM type.
// Properties: 26, IsQuoted.
Type_ENUM Type = 2074
// SET specifies a SET type.
// Properties: 27, IsQuoted.
Type_SET Type = 2075
// TUPLE specifies a a tuple. This cannot
// be returned in a QueryResult, but it can
// be sent as a bind var.
// Properties: 28, None.
Type_TUPLE Type = 28
// GEOMETRY specifies a GEOMETRY type.
// Properties: 29, IsQuoted.
Type_GEOMETRY Type = 2077
// JSON specifies a JSON type.
// Properties: 30, IsQuoted.
Type_JSON Type = 2078
// EXPRESSION specifies a SQL expression.
// This type is for internal use only.
// Properties: 31, None.
Type_EXPRESSION Type = 31
)
// Vitess data types. These are idiomatically
// named synonyms for the querypb.Type values.
const (
Null = Type_NULL_TYPE
Int8 = Type_INT8
Uint8 = Type_UINT8
Int16 = Type_INT16
Uint16 = Type_UINT16
Int24 = Type_INT24
Uint24 = Type_UINT24
Int32 = Type_INT32
Uint32 = Type_UINT32
Int64 = Type_INT64
Uint64 = Type_UINT64
Float32 = Type_FLOAT32
Float64 = Type_FLOAT64
Timestamp = Type_TIMESTAMP
Date = Type_DATE
Time = Type_TIME
Datetime = Type_DATETIME
Year = Type_YEAR
Decimal = Type_DECIMAL
Text = Type_TEXT
Blob = Type_BLOB
VarChar = Type_VARCHAR
VarBinary = Type_VARBINARY
Char = Type_CHAR
Binary = Type_BINARY
Bit = Type_BIT
Enum = Type_ENUM
Set = Type_SET
Tuple = Type_TUPLE
Geometry = Type_GEOMETRY
TypeJSON = Type_JSON
Expression = Type_EXPRESSION
)